CN220749419U - Novel centering type maintenance-free sleeve compensator - Google Patents
Novel centering type maintenance-free sleeve compensator Download PDFInfo
- Publication number
- CN220749419U CN220749419U CN202322529413.6U CN202322529413U CN220749419U CN 220749419 U CN220749419 U CN 220749419U CN 202322529413 U CN202322529413 U CN 202322529413U CN 220749419 U CN220749419 U CN 220749419U
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- CN
- China
- Prior art keywords
- sleeve
- compensator
- maintenance
- free
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 claims abstract description 45
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910002804 graphite Inorganic materials 0.000 abstract description 6
- 239000010439 graphite Substances 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 abstract description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model provides a novel centering type maintenance-free sleeve compensator, which relates to the technical field of sleeve compensators and aims to solve the problems that the existing sealing adopts graphite packing, and the graphite packing has large friction coefficient and low permanent pressure deformation resistance, and local leakage is generated after the compensator is subjected to repeated heat expansion and cold contraction cycles.
Description
Technical Field
The utility model relates to the technical field of sleeve compensators, in particular to a novel centering maintenance-free sleeve compensator.
Background
The sleeve compensator has the obvious characteristics of simple structure, strong bearing capacity, large axial compensation capacity and the like, is called a tubular expansion joint, is a compensation device for a hot fluid pipeline, is mainly used for axial thermal expansion displacement absorption compensation after a straight pipeline is paved, is directly arranged in any pipeline for conveying non-corrosive unidirectional or multidirectional fluid, and is widely used for conveying pipelines in industries such as town heating, metallurgy, mines, power generation, petrochemical industry, buildings and the like, and mainly comprises a sleeve (core pipe), a shell, sealing materials and the like.
The existing seal adopts graphite packing, and because the graphite packing has larger friction coefficient and low permanent pressure deformation resistance, the compensator generates the problem of local leakage after multiple heat expansion and cold contraction cycles, so the novel centering type maintenance-free sleeve compensator is designed and is particularly important for solving the technical problems.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, graphite packing is adopted in sealing, and the graphite packing has high friction coefficient and low permanent pressure deformation resistance, and the compensator generates local leakage after multiple heat expansion and cold contraction cycles, so that the novel centering type maintenance-free sleeve compensator is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel centering type maintenance-free sleeve compensator, includes the heating power pipeline, install the takeover on the outer wall of heating power pipeline, install the sleeve pipe on the outer wall of takeover, the takeover with weld between the sleeve pipe, the telescopic inboard is still installed and is provided with the seal letter, takeover, sleeve pipe and seal letter three form a seal protection architecture through the cooperation of flange under the connecting piece.
Preferably, stainless steel balls are uniformly embedded on the sealing box, and an O-shaped sealing ring is arranged on the right side of the stainless steel balls.
Preferably, the stainless steel balls are distributed along the circumferential direction of the sealing box in an annular shape.
Preferably, the sleeve is concentric with both the seal housing.
Preferably, the inner wall of the sleeve is chromed.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. in use, the sealing structure formed by the connecting pipe, the sleeve and the sealing box is arranged on the outer wall of the thermal pipeline, so that the sealing operation is carried out on the outer surface of the thermal pipeline.
2. In the utility model, in use, the friction coefficient of the stainless steel ball and the O-shaped sealing ring relative to the inner wall is reduced by plating chromium on the inner wall of the sleeve, so that the friction force is reduced, and the overall tightness is improved.
Drawings
FIG. 1 is an overall view of a novel centering maintenance-free sleeve compensator of the present utility model;
FIG. 2 is an enlarged view of a portion of a seal box in a novel centering maintenance-free sleeve compensator of the present utility model;
legend description: 1. connecting pipe; 2. a sleeve; 3. a sealing box; 301. a flange; 302. a connecting piece; 4. stainless steel balls; 5. an O-shaped sealing ring; 6. a thermodynamic pipeline.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
The utility model provides a novel centering type maintenance-free sleeve compensator, which comprises a heating power pipeline 6, wherein a connecting pipe 1 is arranged on the outer wall of the heating power pipeline 6, a sleeve 2 is arranged on the outer wall of the connecting pipe 1, the connecting pipe 1 is welded with the sleeve 2, a sealing box 3 is arranged on the inner side of the sleeve 2, the connecting pipe 1, the sleeve 2 and the sealing box 3 form a sealing protection structure through a flange 301 under the cooperation of a connecting piece 302, stainless steel balls 4 are uniformly embedded on the sealing box 3, the stainless steel balls 4 are distributed along the circumferential direction of the sealing box 3 in a ring shape, an O-shaped sealing ring 5 is arranged on the right side of the stainless steel balls 4, the sealing box 3 is assembled with the sleeve 2 in a pressure way, the O-shaped sealing ring 5 realizes 100 percent sealing,
when the novel centering type maintenance-free sleeve compensator is in actual use, the connecting pipe 1, the sleeve 2 and the sealing box 3 are sequentially arranged on the outer wall of the thermal pipeline 6 to form a sealing protection structure, the connecting pipe 1 is welded with the sleeve 2, the sealing box 3 is in pressure assembly with the sleeve 2, the O-shaped sealing ring 5 achieves 100% sealing, the stainless steel ball 4 guarantees the coaxiality of the sealing box 3 and the sleeve 2, and further ensures that the compensator stably and safely works, the novel centering type maintenance-free sleeve compensator works, the stainless steel ball 4 always contacts with the inner wall of the sleeve 2 to ensure concentricity, the O-shaped sealing ring 5 changes the compression ratio during installation, sealing is achieved, leakage of a medium can be effectively reduced, maintenance times is reduced, better sealing effect is achieved, and the sealing operation is carried out on the outer surface of the thermal pipeline 6 by arranging the sealing structure formed by the connecting pipe 1, the sleeve 2 and the sealing box 3 on the outer wall of the thermal pipeline 6.
Example 1
As shown in fig. 1-2, the sleeve 2 is concentric with both the seal box 3, the inner wall of the sleeve 2 is chromed,
the whole embodiment 1 achieves the effect that in use, the friction coefficient of the stainless steel ball 4 and the O-shaped sealing ring 5 relative to the inner wall is reduced by plating chromium on the inner wall of the sleeve 2, so that the friction force is reduced, and the whole tightness is improved.
Working principle: the connecting pipe, the sleeve and the sealing box are sequentially installed on the outer wall of the heating power pipeline to form a sealing protection structure, the connecting pipe is welded with the sleeve, the sealing box is assembled with the sleeve in a pressure mode, 100% sealing is achieved by the O-shaped sealing ring, the coaxiality of the sealing box and the sleeve is guaranteed by the stainless steel ball, and then the compensator is guaranteed to work stably and safely.
In summary, the sealing structure formed by the connecting pipe, the sleeve and the sealing box is arranged on the outer wall of the thermal pipeline, so that the outer surface of the thermal pipeline is sealed.
Claims (5)
1. The utility model provides a novel centering type maintenance-free sleeve compensator, includes heating power pipeline (6), its characterized in that, install takeover (1) on the outer wall of heating power pipeline (6), install sleeve pipe (2) on the outer wall of takeover (1), takeover (1) with weld between sleeve pipe (2), sealed letter (3) are still installed to the inboard of sleeve pipe (2), take over (1), sleeve pipe (2) and sealed letter (3) three form a sealed protection architecture under the cooperation of connecting piece (302) through flange (301).
2. The novel centering type maintenance-free sleeve compensator is characterized in that stainless steel balls (4) are uniformly distributed on the sealing box (3), and an O-shaped sealing ring (5) is arranged on the right side of the stainless steel balls (4).
3. The novel centering maintenance-free sleeve compensator as claimed in claim 2, wherein the stainless steel balls (4) are distributed circumferentially along the sealing box (3).
4. A new type of centring maintenance-free sleeve compensator according to claim 1, characterized in that the sleeve (2) is concentric with both the sealing box (3).
5. A new type of centring maintenance-free sleeve compensator according to claim 1, characterized in that the inner wall of the sleeve (2) is chromed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322529413.6U CN220749419U (en) | 2023-09-18 | 2023-09-18 | Novel centering type maintenance-free sleeve compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322529413.6U CN220749419U (en) | 2023-09-18 | 2023-09-18 | Novel centering type maintenance-free sleeve compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220749419U true CN220749419U (en) | 2024-04-09 |
Family
ID=90552273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322529413.6U Active CN220749419U (en) | 2023-09-18 | 2023-09-18 | Novel centering type maintenance-free sleeve compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220749419U (en) |
-
2023
- 2023-09-18 CN CN202322529413.6U patent/CN220749419U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |